Chemistry 8.3.1 Flashcards
1
Q
Why are Processes that Require Avoiding Contamination always Done Near a Bunsen Burner?
A
To Avoid Contamination.
2
Q
What Colour is the Flame of: Li+ ?
A
Red.
3
Q
What Colour is the Flame of: Na+ ?
A
Yellow.
4
Q
What Colour is the Flame of: K+ ?
A
Purple.
5
Q
What Colour is the Flame of: Ca2+ ?
A
Orange.
6
Q
What Colour is the Flame of: Cu2+ ?
A
Green
7
Q
What are Some Problems with the Flame Test for Metal Ions? (2)
A
-If not Enough of the Metal Ion is Present in the Solution, the Colour of the Flame May be Difficult to Distinguish.
-If there are Multiple Metal Ions Present in the Solution, the Colour of the Flame will be a Difficult to Distinguish Blend of the Different Colours.
8
Q
Instead of doing Flame Tests for Metal Ions, Scientists Often Perform…
A
Flame Emissions Spectroscopy.
